Where does “-ać” come from?
-ać (Polish) comes from Old Polish -ć, from Old Polish ty, from Proto-Slavic ty, from Proto-Balto-Slavic tūˀ, from Proto-Indo-European túh₂ — you, thou.
Ancestry of “-ać”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Polish | -ć | — |
| 2 | Old Polish | ty | — |
| 3 | Proto-Slavic | ty | you |
| 4 | Proto-Balto-Slavic | tūˀ | you |
| 5 | Proto-Indo-European | túh₂ | you, thou |